Home / 115,422.28-173,211.18-45,293.32

Finding the Fourth Proportional to 115,422.28, 173,211.18 and 45,293.32

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Solution

The fourth proportional to 115,422.28, 173,211.18 and 45,293.32 is: 67,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,422.28 : 173,211.18 = 45,293.32 : x
  2. Step 2: Convert to fraction form
    115,422.28/173,211.18 = 45,293.32/x
  3. Step 3: Cross multiply
    115,422.28x = 173,211.18 × 45,293.32
  4. Step 4: Simplify right side
    115,422.28x = 7,845,309,403.32
  5. Step 5: Solve for x
    x = 7,845,309,403.32/115,422.28
  6. Step 6: Final answer
    x = 67,970.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.